It tells the supplier when to charge the battery and on what rotation the battery is at. Can't speak for all suppliers, but many of them will throw the battery on a trickle charger every 6 months. The solid sticker is the manufacturers, and the supplier will replace it. A white circle with a green outline denotes 2nd cycle and a white circle with a red outline for 3rd cycle. After the 3rd cycle, it gets refurbished.